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Fluorescent dyes and stains

Quin 2

Also known as Quin-2, QUIN 2, Tetrapotassium Salt, Quin-2 (potassium salt)

CAS 73630-23-6Formula C26H23K4N3O10Molar mass 693.87 g/molEC 634-724-9
GHS signal word: Warning. Pictograms: Harmful or irritant
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Quin 2 chemical structure, C26H23K4N3O10, CAS 73630-23-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
73630-23-6
Formula
C26H23K4N3O10
Molar mass
693.87 g/mol
EC number
634-724-9
HS code
293349
Category
Fluorescent dyes and stains

What is Quin 2?

Plain description, key identifiers and synonyms

Quin 2 is a chemical substance with the molecular formula C26H23K4N3O10 and a molar mass of 693.87 g/mol. Its CAS registry number is 73630-23-6. The IUPAC name is tetrapotassium, 2-[2-[[8-[bis(carboxylatomethyl)amino]-6-methoxyquinolin-2-yl]methoxy]-N-(carboxylatomethyl)-4-methylanilino]acetate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tetrapotassium, 2-[2-[[8-[bis(carboxylatomethyl)amino]-6-methoxyquinolin-2-yl]methoxy]-N-(carboxylatomethyl)-4-methylanilino]acetate
CAS number
73630-23-6 CAS number cross-checkedOther or deprecated CAS: 83014-44-2
EC numbers
634-724-9, 685-041-8
Molecular formula
C26H23K4N3O10
UNII
O448IDK23O
MDL number
MFCD00065487
InChIKey
XAGUNWDMROKIFJ-UHFFFAOYSA-J
InChI
InChI=1S/C26H27N3O10.4K/c1-15-3-6-19(28(10-22(30)31)11-23(32)33)21(7-15)39-14-17-5-4-16-8-18(38-2)9-20(26(16)27-17)29(12-24(34)35)13-25(36)37;;;;/h3-9H,10-14H2,1-2H3,(H,30,31)(H,32,33)(H,34,35)(H,36,37);;;;/q;4*+1/p-4
SMILES (canonical and isomeric)
CC1=CC(=C(C=C1)N(CC(=O)[O-])CC(=O)[O-])OCC2=NC3=C(C=C(C=C3C=C2)OC)N(CC(=O)[O-])CC(=O)[O-].[K+].[K+].[K+].[K+]

Synonyms

  • Quin-2
  • QUIN 2, Tetrapotassium Salt
  • Quin-2 (potassium salt)
  • Quin2,tetrapotassiumsalt
  • Quin-2 (tetrapotassium)
  • Quin 2,tetrapotassium salt
  • tetrapotassium, 2-[2-[[8-[bis(carboxylatomethyl)amino]-6-methoxyquinolin-2-yl]methoxy]-N-(carboxylatomethyl)-4-methylanilino]acetate
  • Glycine, N-(2-((8-(bis(carboxymethyl)amino)-6-methoxy-2-quinolinyl)methoxy)-4-methylphenyl)-N-(carboxymethyl)-, tetrapotassium salt
  • Quin-2, suitable for fluorescence, >=95% (HPLC)
  • Glycine, N-(2-((8-(bis(carboxymethyl)amino)-6-methoxy-2-quinolinyl)methoxy)-4-methylphenyl)-N-(carboxymethyl)-, potassium salt (1:4)
  • N-(2-((8-(Bis(carboxymethyl)amino)-6-methoxy-2-quinolinyl)methoxy)-4-methylphenyl)-N-(carboxymethyl)glycine potassium salt (1:4)
  • Tetrapotassium 2,2'-{[2-({2-[bis(carboxylatomethyl)amino]-5-methylphenoxy}methyl)-6-methoxyquinolin-8-yl]azanediyl}diacetate
  • tetrapotassium, 2-[2-[[8-[bis(carboxylatomethyl)amino]-6-methoxy-2-quinolyl]methoxy]-N-(carboxylatomethyl)-4-methyl-anilino]acetate

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
693.87 g/molcalc.
Exact mass
692.9932 Dacalc.
LogP (octanol/water)
-15.24calc.
Topological polar surface area
198.4 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
13calc.
Rotatable bonds
14calc.
Heavy atoms
43calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.27calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
5calc.
Lipinski rule of five
Fails (2 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(OCc2ccc3ccccc3n2)cc1

c1ccc(OCc2ccc3ccccc3n2)cc1

3 rings, 18 atoms.

54 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Quin 2 suppliers

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Quin 2 price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Fluorescent Dyes
  • Iron Chelating Agents
  • Platelet Aggregation Inhibitors

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Quin 2 is traded under.

HS 2933.49Indicative HS code

Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…

World exports in 2024
$939M
−14.6% vs 2023, imports $1.48B
2019 to 2024
Top exporters
  1. China30.1%
  2. India * partner reported16.7%
  3. Switzerland * partner reported14.1%
Top importers
  1. United Kingdom19.2%
  2. Germany16.0%
  3. Romania8.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Quin 2 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Quin 2, based on the data on this page

What is Quin 2?

Quin 2 is a chemical substance with the molecular formula C26H23K4N3O10 and a molar mass of 693.87 g/mol. Its CAS registry number is 73630-23-6. The IUPAC name is tetrapotassium, 2-[2-[[8-[bis(carboxylatomethyl)amino]-6-methoxyquinolin-2-yl]methoxy]-N-(carboxylatomethyl)-4-methylanilino]acetate.

What is the CAS number of Quin 2?

The CAS registry number of Quin 2 is 73630-23-6. Other or deprecated CAS numbers: 83014-44-2.

What is the molecular formula and weight of Quin 2?

The molecular formula of Quin 2 is C26H23K4N3O10 and its molar mass is 693.87 g/mol.

What is Quin 2 used for?

Known uses and roles of Quin 2 include builders and chelants in home care and cleaning, fluorescent dyes, iron chelating agents and platelet aggregation inhibitors.

Is Quin 2 hazardous?

Quin 2 carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Quin 2?

Quin 2 is usually classified under HS code 293349 (Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Quin 2?

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What is the price of Quin 2?

Suppliers quote Quin 2 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Quin 2

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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